WIEGMANNOiltight Hole Seals

WIEGMANN Hole Seal: Steel, 3 in Conduit Hole Size, For 3 in Hole Dia - Max, Carbon Steel

The WIEGMANN Hole Seal: Steel is a carbon steel oiltight hole seal designed for conduit holes up to 3 inches in diameter. It features a painted gray finish and includes an oil-resistant gasket, with a NEMA 4…

SKU 3G-OTH-07629

Also listed as: WAS 300 · WAS-300

Brand

WIEGMANN

Item

Hole Seal: Steel, 3 in Conduit Hole Size, For 3 in Hole Dia - Max, Carbon Steel

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WIEGMANN

Manufacturer Part Number

WAS300 

Type

For 3 in Hole Dia - Max, Carbon Steel, Painted 

Material

Carbon Steel 

Color

Gray 

Finish

Painted 

Includes

Oil Resistant Gasket 

For Hole Type

Conduit 

Conduit Hole Size

3 in 

NEMA Enclosure Rating

4

Technical Documents

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WIEGMANN Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the WIEGMANN Hole Seal WAS300 used for?

The WIEGMANN Hole Seal WAS300 seals unused conduit holes in electrical enclosures, preventing oil, dust, and moisture ingress. It is rated NEMA 4 for indoor/outdoor use in industrial environments where oiltight protection is required.

What are the specifications of the WIEGMANN Hole Seal WAS300?

The WIEGMANN WAS300 is a carbon steel hole seal with a painted gray finish. It fits conduit holes up to 3 inches in diameter, includes an oil-resistant gasket, and carries a NEMA 4 enclosure rating. The manufacturer part number is WAS300.

Where to buy the WIEGMANN Hole Seal WAS300 worldwide?

3G Electric supplies the WIEGMANN Hole Seal WAS300 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the WIEGMANN Hole Seal WAS300?

Install the WIEGMANN WAS300 by placing the included oil-resistant gasket over the conduit hole, then securing the carbon steel seal with the provided hardware. Tighten evenly to maintain the NEMA 4 oiltight rating. Follow standard electrical enclosure sealing practices.

Used in

Common applications for WIEGMANN

Manufacturing plant – WIEGMANN steel enclosures (e.g., NEMA 12) for housing motor controls and PLCs in dusty environments.

Water treatment facility – WIEGMANN fiberglass submersible enclosures (e.g., NEMA 6P) for outdoor pump control panels.

Oil and gas industry – WIEGMANN stainless steel enclosures (e.g., NEMA 4X) for corrosion-resistant protection in offshore platforms.

Food processing – WIEGMANN washdown enclosures (e.g., NEMA 4) for housing electrical components in high-pressure washdown areas.

Chemical plant – WIEGMANN push button enclosures (e.g., 22mm or 30mm) for local control stations in hazardous indoor areas.

Building automation – WIEGMANN console enclosures (e.g., NEMA 12/13) for housing HVAC control systems in commercial buildings.

WIEGMANN Products

3G Electric supplies WIEGMANN oiltight hole seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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